MESON Chess Problem Database

Problem Display
PID: 53868 (3K4/8/NpPkPp2/1P1q2p1/1P5p/2Q5/3N4/4R3 w - - 0 1)

Servais, Albert

Parallele 50, 1950

3K4/8/NpPkPp2/1P1q2p1/1P5p/2Q5/3N4/4R3

#2

9 + 6

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1951

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc6
      • 2.Qxc6#
    • 1...Qxd2
      • 2.Qxd2#
    • 1...Qd3
      • 2.Qxd3#
    • 1...Qd4
      • 2.Qxd4#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Sc4#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Qxd3!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Se8#
      • 1...Qxc6
        • 2.Qxc6#
      • 1...Qxe6
        • 2.Rxe6#
      • 1...Qxd2
        • 2.Qxd2#
      • 1...Qxb5
        • 2.Se4#
      • 1...Qh1
        • 2.Sc4#
      • 1...Qa2
        • 2.Se4#
      • 1...Qg2
        • 2.Sc4#
      • 1...Qb3
        • 2.Se4#
      • 1...Qf3
        • 2.Sc4#
      • 1...Qc4
        • 2.Sxc4#
      • 1...Qe4
        • 2.Sxe4#
      • 1...Qd3
        • 2.Qxd3#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Qc5
        • 2.Se4#
      • 1...Qe5
        • 2.Sc4#
      • 1...Qf5
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • Q(b);OGATE,XP(G)::QAR1(C),XQ(b)
    • Q(b);OGATE,XS(B)::QAR(C),XQ(b)
    • Q(b);OGATEB::QAR(C),XQ(b)
    • Q(b);OGATEB::QAR2(C),XQ(b)
  • Tries
    • Try
      • Q(C);P_PINQ(b)
      • Threat
        • S(B)
      • Vars
        • Q(b);OGATEB::QAR2(C),XQ(b)
      • Refutation
        • Q(b);N_SPINQ(b),XQ(C)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • Q(b);OGATE,XP(G)::QAR1(C),XQ(b)
      • Q(b);OGATE,XP(H)::R1(A),XQ(b)
      • Q(b);OGATE,XS(B)::QAR(C),XQ(b)
      • Q(b);N_GUARD,XP(E)::S(B)
      • Q(b);N_GUARD::S(B)
      • Q(b);N_GUARD::S(B),XQ(b)
      • Q(b);OGATEB::QAR(C),XQ(b)
      • Q(b);OGATEB::QAR2(C),XQ(b)
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